Company Filing History:

13 out of 2,245

Mitsubishi Gas Chemical Company, Inc.

patents

1 out of 4,800

Fuji Electric Co., Ltd.

where one patent can have more than one assignee

Years Active: 1990-1999

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5970191 - Optical signal distributors (1999-10-19),

2. 5570442 - Design and manufacture of an optimized waveguide-type multiple branched (1996-10-29),

3. 5493222 - Reflection type magnetooptic sensor head with faraday rotator (1996-02-20),

4. 5463316 - Magnetooptic sensor head (1995-10-31),

5. 5448667 - Waveguide type optical device with optical receptacles (1995-09-05),

6. 5345329 - Polarization-independent optical isolator (1994-09-06),

7. 5343545 - Interconnectable multi-terminal star coupler (1994-08-30),

8. 5278853 - Optical isolator (1994-01-11),

9. 5160358 - Process for producing silica glass plate having controlled refractive (1992-11-03),

10. 5136274 - Humidity sensor (1992-08-04),

11. 5091986 - Optical divider for multimode optical fiber systems (1992-02-25),

12. 5058978 - Optical divider for multimode optical fiber systems (1991-10-22),

13. 4932760 - Magneto-optic garnet (1990-06-12),

Title: **Mitsuzo Arii: A Pioneer in Optical Signal Innovations**

Introduction

Mitsuzo Arii, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of optical technology. With 13 patents to his name, Arii's work focuses on optimizing optical signal distribution and improving the efficiency of optical devices. His innovative approach has advanced the capabilities of optical local networks and instrumentation control systems.

Latest Patents

Arii's latest patents exemplify his expertise in optical engineering. One notable invention is the **Optical Signal Distributor**, which features a housing containing multiple optical input/output units. These units serve as terminals for optical signals, while the optical circuit assembly within reflects and separates the signals. This unique design ensures that the optical input/output units are evenly distributed, enhancing the performance of optical communication systems.

Another key invention is the **Design and Manufacture of an Optimized Waveguide-Type Multiple Branched** device. This optical device includes an intricate circuit where branched optical waveguides connect to both the light receiving and ejecting sides of a main optical waveguide. The innovative slope or taper construction of the branched waveguides is designed to reduce signal loss and enhance light transmission, showcasing Arii's commitment to improving optical efficiency.

Career Highlights

Throughout his career, Mitsuzo Arii has been associated with several prominent companies, including Mitsubishi Gas Chemical Company, Inc. and Fuji Electric Co., Ltd. His experiences in these organizations have allowed him to refine his skills and contribute to groundbreaking projects in optical technology.

Collaborations

Arii's collaborative efforts with notable professionals, such as Norio Takeda and Kazushi Shirai, have further enriched his work. Together, they have explored innovative solutions in optical signal processing, bridging the gap between theoretical research and practical applications.

Conclusion

Mitsuzo Arii stands out as a visionary inventor dedicated to advancing optical technologies. His numerous patents reflect not only his innovative spirit but also his commitment to enhancing the efficiency and performance of optical systems. As he continues to push the boundaries of optical engineering, Arii's contributions are poised to make a lasting impact in the field.

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